28252364320

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{887323}}^1$

素因数の和:887537

約数の個数: 48

約数和(自身を含む): 67081694400

約数和(自身を除く): 38829330080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 15920, 31840, 887323, 1774646, 3549292, 4436615, 7098584, 8873230, 14197168, 17746460, 28394336, 35492920, 70985840, 141971680, 176577277, 353154554, 706309108, 882886385, 1412618216, 1765772770, 2825236432, 3531545540, 5650472864, 7063091080, 14126182160, 28252364320]

約数ペア:

[(1, 28252364320), (2, 14126182160), (4, 7063091080), (5, 5650472864), (8, 3531545540), (10, 2825236432), (16, 1765772770), (20, 1412618216), (32, 882886385), (40, 706309108), (80, 353154554), (160, 176577277), (199, 141971680), (398, 70985840), (796, 35492920), (995, 28394336), (1592, 17746460), (1990, 14197168), (3184, 8873230), (3980, 7098584), (6368, 4436615), (7960, 3549292), (15920, 1774646), (31840, 887323)]